Merge PDF Files

Combine multiple PDFs into a single document in your preferred order

Drop PDF files here

or select files from your device

Minimum 2 files, maximum 100MB per file

Merge Queue (0)
Drag to reorder. Files are merged top to bottom.

Merge Completed

Your merged PDF is ready.

Download PDF
Merging files...
Merge Notes
Upload at least two PDF files.
Use drag-and-drop to set final page order.
Output quality and searchable text are preserved.

Merge PDF Files Online — Complete Guide

PdfPeaks lets you combine multiple PDF documents into one file directly in your browser. Whether you are assembling a contract packet, merging scanned pages, or building a report from separate chapters, our merge tool preserves page order, fonts, and embedded images from each source file. No desktop software or account is required for basic use.

How It Works

Using the merge tool takes three simple steps. First, upload two or more PDF files by dragging them into the upload area or selecting them from your device. Second, arrange the files in the order you want them to appear in the final document — the first file in the list becomes the opening pages of the merged PDF. Third, click Merge PDF Files and download the combined result when processing completes. Most merges finish in seconds, depending on file size and page count.

  • Step 1 — Upload: Add PDFs one at a time or in batch. Each file can be up to 100 MB.
  • Step 2 — Order: Reorder files before merging so chapters, invoices, or scans appear correctly.
  • Step 3 — Download: Save the merged PDF to your computer or share it by email or cloud storage.

Security & Privacy

We treat uploaded documents as sensitive data. When you merge PDFs on PdfPeaks, files are transferred over encrypted HTTPS/TLS connections and processed on secure servers in isolated temporary storage. They are used only to perform the merge operation you requested. Uploaded files and merged outputs are not permanently stored, are not used to train models, and are not sold or shared with third parties for marketing. Temporary files are automatically removed after processing according to our retention schedule. For full details, see our Privacy Policy and Terms of Service.

Common Use Cases

People use our PDF merger every day for practical document tasks such as:

  • Business reports: Combine cover pages, financial statements, and appendices into one deliverable.
  • Legal & compliance: Assemble signed forms, disclosures, and supporting exhibits for submission.
  • Education: Merge lecture handouts, assignments, and reference sheets into a single study packet.
  • Scanned documents: Join individual page scans from a phone or scanner into one searchable archive.
  • HR & onboarding: Bundle offer letters, tax forms, and policy PDFs for new employees.
  • Personal records: Consolidate receipts, warranties, or travel documents before sharing or filing.

Tips for Best Results

Use valid, unencrypted PDFs when possible (or unlock protected files first with our Unlock PDF tool). If the combined file is too large, try Compress PDF after merging. Need to remove pages first? Use Split PDF or Organize PDF before you merge. Supported format: PDF (.pdf).

Frequently Asked Questions

Yes, all files are automatically deleted immediately after processing.

Each file can be up to 100MB.

You can merge up to 20 PDFs in one operation.

No, all tools are free to use without an account.